2666435674 has 16 divisors (see below), whose sum is σ = 4718486016. Its totient is φ = 1105894800.

The previous prime is 2666435657. The next prime is 2666435683. The reversal of 2666435674 is 4765346662.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071497 + ... + 3072364.

It is an arithmetic number, because the mean of its divisors is an integer number (294905376).

Almost surely, 2^2666435674 is an apocalyptic number.

2666435674 is a deficient number, since it is larger than the sum of its proper divisors (2052050342).

2666435674 is a wasteful number, since it uses less digits than its factorization.

2666435674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143901.

The product of its digits is 4354560, while the sum is 49.

The square root of 2666435674 is about 51637.5413241181. The cubic root of 2666435674 is about 1386.6825072027.

The spelling of 2666435674 in words is "two billion, six hundred sixty-six million, four hundred thirty-five thousand, six hundred seventy-four".